您要查找的是不是：
- 高質量合金鋼ERW鍋爐管High Quality ERW Boiler Tube of Alloy Steel
- 排出高質量的版面.set to a high standard of typography
- T23高壓鍋爐管T23 high pressure boiler tube
- 產於美利奴的健壯的綿羊，出產高質量的肉食和羊毛。hardy sheep developed from the Merino producing both good mutton and fine wool.
- 鍋爐管脹接工藝的探討Discussion on boiler pipe expansion jointing procedure
- 保證質量guaranteed quality
- 高新區high and new technology industrial development zone
- 流管flow passage
- 要求高expect much
- 圓管circular tube
- 整備質量kerb weight
- 保險管protective tube
- 比高relative height
- 針管needle tube
- 你的工作質量有所下降。There has been a slip in the quality of your work.
- 支管manifold branch
- 高錳合金鋼, 高錳鋼high manganese steel
- 直管ascending pipe
- 高碳低合金鋼絲wire of hi-carbon and low alloy
- 源管source capsule
